EarthWorks Geospatial Catalog

Pennsylvania: Mt. Union Quadrangle

Description
United States. Geological Survey. U.S.G.S. Alternate title: Mt. Union, PA. Polyconic projection. Relief shown by 20 feet contour interval and spot heights. Surveyed in 1922.
Publisher
[Washington, D.C.] : U.S. Geological Survey, 1922.
Subject(s)
Topographic maps
Held by
Princeton
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